O que siginifica a expressão "pick me up"?

Oi drielly,

Você poderia colocar uma parte da música aqui (de preferência umas 3 linhas antes e depois da frase) para que vejamos o contexto? Esse phrasal verb pode significar mais de uma coisa.

Bom, pelo que entendi isso pode significar ter uma relação (sexual) casual com a pessoa. Como se tivesse brincando com os sentimentos dela.

Aqui algumas definições desse phrasal verb:

pick someone up

phrasal verb of pick
1. go somewhere to collect someone, typically in one's car.
"will you pick the children up from school?"
synonyms: fetch, collect, go to get, go/come and get, call for, go/come for;

give someone a lift, give someone a ride
"be sure to pick up Kirsty from school"

stop for someone to board a train, boat, etc.
"they were picked up by a passing ship"

informal

arrest someone.
"she was picked up on prostitution charges"
synonyms: arrest, apprehend, detain, take into custody, take prisoner, seize, capture, catch, take in; 
informalcollar, nab, run/pull in, nick, pinch, bust, nail, do, feel someone's collar
"he was picked up by the police for questioning"

2. informal
casually strike up a relationship with a stranger as a sexual overture.
"he picked her up in a bar"
synonyms: strike up a casual acquaintance/relationship with, take up with; More
make advances to;
informalget off with, pull, cop off with
"he thought of going to a nightclub and picking up a girl"

3. return to a point made by someone in order to criticize it.
"she picked him up on one niggling point"

4. make someone feel more energetic and cheerful.
"songs to pick you up and make you feel good"